<template>
    <div class="middle">
        <h4>MiddleBlock</h4>
        <p>Middle 里不拿 car，只负责往下传</p>

        <LittleBlock />
    </div>
</template>

<script setup>
import LittleBlock from './LittleBlock.vue'
</script>

<style scoped>
.middle {
    background: #c8e6c9;
    padding: 20px;
    margin-left: 20px;
    /* 嵌套缩进 */
}
</style>